Acer ASPIRE 4253 Service Manual page 55

System I/O Address Specifications
I/O address (hex)
220 - 22F
230 - 26D
26E - 26
278 - 27F
280 - 2AB
2A0 - 2A7
2A8 - 2E7
2E8 - 2EF
2F0 - 2F7
2F8 - 2FF
300 - 31F
320 - 36F
370 - 377
378 - 37F
380 - 387
388 - 38B
38C - 3AF
3B0 - 3BB
3BC - 3BF
3C0 - 3DF
3E0 - 3E1
3E2 - 3E3
3E8 - 3EF
3F0 - 3F7
3F8 - 3FF
CF8 - CFB
(PCIDIVO-1)
Hardware Specifications and Configurations
System Function (shipping configuration)
Entertainment audio
Unused
Unused
Unused
Unused
Unused
Unused
Reserved serial port
Unused
Infrared port
Unused
Unused
Secondary diskette drive controller
Parallel port (LPT1/default)
Unused
FM synthesizer-OPL3
Unused
VGA
Reserved (parallel port/no EPP support)
VGA
ExpressCard controller in CPU
Unused
Internal modem
"A" diskette controller
Serial port (COM1/default)
PCI configuration index register
CFC - CFF PCI configuration data register
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